PERFORMANCE: Overall the OnePlus Open did well but was not among our top scorers. Many users will be satisfied with its performance especially if you're looking for a mid-range smartphone. Ease of use on the Open was excellent. The touchscreen's use of menus, web browser, camera, buttons, and unlocking the phone were top notch. You should be able to comfortably hold the phone and use its buttons and touchscreen easily. Performance of the Open was very good. While not the best, the maximum upload and download speeds and tested processor performance were fast. Most tasks will seem quick with only minor slowdowns. Call quality and convenience on the Open were not the best but they were very good. Sound while on a call was very good in a quiet room and with background noise. Your sound quality will vary due to many factors including background noise, if you are moving between cell towers, the quality of the phone on the other end of the call, and the quality of the cell tower and antenna.
DURABILITY: Overall, the durability of the Open was Very Good. The phone scored a Fair on our scratch resistance test. This phone passed our tumble test. The tumble test results are as follows: After 50 drops in the tumbler, our experts rated it as Excellent. The phone had nearly no noticeable damage Overall, it was in good working condition. After our more strenuous 100 drops in the tumbler the screen and body proved they can take a serious tumble. Our experts rated it as Excellent. The phone had some scratches and dents Overall, it was in good working condition. This phone passed our rain test where a gentle rain falls on the phone for 5 minutes. This phone passed its water intrusion test submerged at its rated depth and time.
PORTABILITY/BATTERY: The 7.8-inch screen on the Open comes in a body measuring 6-inches tall, 2.9-inches wide, 0.5-inches thick, and weighs 8.8 ounces. Those measurements mean the phone is heavier than most. At 33 hours, it has an average battery lifespan. Its battery is not removable and the phone doesn't support wireless charging.
CAMERA: The main rear camera on the OnePlus Open measures 48-megapixels. The camera has optical image stabilization to improve your chances of taking better handheld photos under low-light conditions. Overall the camera performance was very good. The main camera is among our top performers for shooting stills. Images are evaluated on high quality LCD displays. The test photos are taken in a brightly lit studio and in a controlled studio simulating sunlight. In the viewing tests the images were rated very good overall. These images are among the best results for color quality, exposure level, sharpness, and image noise. The Open comes with a 32-megapixel selfie cam. Overall the selfie camera quality was very good.
DISPLAY: Overall the display quality was excellent. The display resolution was high enough, close to or greater than 300dpi, so you see a smooth, crisp display. If the display does have a higher resolution, most people will not be able to tell the difference. Readability outdoors is a combination of brightness, measured in candelas per square meter, and reflectivity. The readability rating was excellent. The maximum brightness level measured 1 meter from the screen was a very high 595cd/m² and reflective glare was minimal.
